Hot Fudge Pudding & Cake

1 c flour                                        Spread in ungreased
2 tsp baking powder                              9" x 9" cake pan
¼ tsp salt                --Blend in bowl.       and top with:
3/4 c white sugar                                1 c brown sugar
2 Tbsp cocoa                                     ¼ c cocoa
½ c milk                    --Stir in.
2 Tbsp butter                                    Pour over all
1 c chopped nuts, if desired                     1 3/4 c hot water
                          Bake 45 minutes at 350°.  Serve warm or cold.